2006 Cadillac XLR vs. 1999 Opel Signum
To start off, 2006 Cadillac XLR is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 4,572 cc (8 cylinders), 2006 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2006 Cadillac XLR (320 HP @ 6400 RPM) has 112 more horse power than 1999 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2006 Cadillac XLR should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac XLR weights approximately 46 kg more than 1999 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Cadillac XLR is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Cadillac XLR. However, in wet, icy, snow, or gravel driving conditions, 1999 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Cadillac XLR (420 Nm @ 4400 RPM) has 120 more torque (in Nm) than 1999 Opel Signum. (300 Nm @ 4000 RPM). This means 2006 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 2006 Cadillac XLR | 1999 Opel Signum | |
| Make | Cadillac | Opel |
| Model | XLR | Signum |
| Year Released | 2006 | 1999 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4572 cc | 3175 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 208 HP |
| Engine RPM | 6400 RPM | 6200 RPM |
| Torque | 420 Nm | 300 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 87.5 mm |
| Engine Stroke Size | 84 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Top Speed | 250 km/hour | 237 km/hour |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1656 kg | 1610 kg |
| Vehicle Length | 4520 mm | 4640 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1290 mm | 1470 mm |
| Wheelbase Size | 2690 mm | 2840 mm |
| Fuel Tank Capacity | 68 L | 52 L |
